1. 



%(ll 



% 



PLATE 13. 



Fig. 1. 86. 1. • LiTiriTEs undatus. (Pag- 52.) 



1. Lateral view of a specimen. A part of the last volution, near the aperture, is hroken ofT. 

 1 a. Lateral view of the cast of a smaller specimen. I b. Dorsal view of tlie same. 



«>^ 



Fig. 2. 87. 1. LiTOTTEs C0NV0LVAN8? (Pag. 63.) 



2. A portion of a cast, showing the septa and part of the outer chamber. 



2 a. A vertical section of another individual as seen on the weathered surface of the limestone, showing the 



septa, which are removed from the smaller extremity by weathering. The cast is worn down below the 



siphuncle. which has not been observed in any specimen yet seen. 



? 



#  



Fig. 3. 



86. 1. LinriTEs tindatus. 



(Pag. 62.) 



A section apparently of this fossil, though the surface markings are not preserved. The septa are distinctly 

 shown in a portion of the shell, and the dorsal siphon at two points <i, a. 



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